In terms of revenue, they would still be making much less if they didn't charge for the expansion. You can see most of the revenue came from the initial release of the original and expansion. If the expansion were given for free it may be more like a 3x gain on their investment. If they added IAP for the new levels, they would probably still get the 1 star reviews.
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In terms of revenue, they would still be making much less if they didn't charge for the expansion. You can see most of the revenue came from the initial release of the original and expansion. If the expansion were given for free it may be more like a 3x gain on their investment. If they added IAP for the new levels, they would probably still get the 1 star reviews.